Organic chemistry:substitution reaction

In summary, a substitution reaction in organic chemistry involves replacing an atom or group of atoms in a molecule with another atom or group. There are two main types: nucleophilic substitution and electrophilic substitution. The rate of a substitution reaction is influenced by factors such as the nature of the substituents, bond strength, and reaction mechanism. This type of reaction differs from an addition reaction, which involves adding new atoms or groups to a molecule and may not change the functional groups. Some examples of substitution reactions in everyday life include the formation of table salt, digestion of food, and production of medication and plastics.
  • #1
jadelamlam
51
0
In substitution reaction between bromine and hexane, why the bromine should be in organic solvent? Bromine is already a liquid!
 
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  • #2
Good question. Maybe its because the homolysis can only take place in a solvent. Maybe the Br radicals are insoluble in Br2.
 
  • #3
I just can't understand :(
Hexane can dissolve bromine.What would happen if we don't add Br into the organic solvent?
There will be no reaction?Or sth bad will happen?
 

Related to Organic chemistry:substitution reaction

1. What is a substitution reaction in organic chemistry?

A substitution reaction in organic chemistry is a type of chemical reaction in which an atom or group of atoms in a molecule is replaced by another atom or group of atoms. This process involves breaking a bond between two atoms and forming a new bond with a different atom or group.

2. What are the different types of substitution reactions in organic chemistry?

There are two main types of substitution reactions in organic chemistry: nucleophilic substitution and electrophilic substitution. In nucleophilic substitution, a nucleophile (electron-rich species) replaces a leaving group from a molecule. In electrophilic substitution, an electrophile (electron-poor species) replaces a hydrogen atom in a molecule.

3. What factors influence the rate of a substitution reaction?

The rate of a substitution reaction is influenced by several factors, including the nature of the substituents, the strength of the bonds being broken and formed, and the type of reaction mechanism. Other factors such as temperature, solvent, and concentration can also affect the reaction rate.

4. How is a substitution reaction different from an addition reaction?

A substitution reaction involves replacing an atom or group of atoms in a molecule, while an addition reaction involves adding new atoms or groups of atoms to a molecule. Additionally, substitution reactions typically result in a change in functional groups, while addition reactions do not necessarily change the functional groups of the reactants.

5. What are some examples of substitution reactions in everyday life?

Substitution reactions are common in everyday life, such as the reaction between chlorine and sodium to form table salt (sodium chloride). Other examples include the breakdown of food in our bodies, the synthesis of medications, and the production of plastics from petrochemicals.

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